Three girls Amy, Beth and Cindy has the same number of coins. Amy and Beth each had a mix of fifty-cent and ten-cent coins. Amy had 9 ten-cent coins while Beth had 15 ten-cent coins. Cindy had only fifty-cent coins.

(a) Of the three girls, who had the most money and who had the least?

(b) What was the difference in the total value of Amy and Beth's coins?

(c) Beth used all her fifty-cent coins to buy some food. She then had $10 less in coins than Cindy. How many fifty-cent coins did Cindy have?

Guest Aug 24, 2021